Numbers 6:13 'Now this is the law of the Nazirite when the days of his separation are fulfilled, he shall bring the offering to the doorway of the tent of meeting.

John 11:55 Now the Passover of the Jews was near, and many went up to Jerusalem out of the country before the Passover to purify themselves.

Acts 21:24 take them and purify yourself along with them, and pay their expenses so that they may shave their heads; and all will know that there is nothing to the things which they have been told about you, but that you yourself also walk orderly, keeping the Law.

Acts 24:18 in which they found me occupied in the temple, having been purified, without any crowd or uproar. But there were some Jews from Asia-- (NASB ©1995)